(20241221) Zerodha Auth Ready. Users can now integrate Kite.
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@@ -10,7 +10,7 @@
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OBJECTIVE:
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To handle all trading related behaviour from one place.
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To handle all trading related behaviour for Zerodha's Kite platform.
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REFERENCES:
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@@ -36,6 +36,8 @@ sys.path.append(".")
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sys.path.append("..")
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# My async utils:
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from utils_v2.string import json
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from utils_v2.database.async_mysql_v2 import AsyncMySQL
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from utils_v2.database.async_mongo_v2 import AsyncMongo
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from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
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@@ -44,6 +46,10 @@ from controllers_v2.finstitutions.trading.base import TradingController
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# Models:
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from models.core.auth_token import CoreAuthTokenModel
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from utils_v2.trading.zerodha_kite.models.auth_tokens import ZerodhaKiteAuthTokens
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# To work with MongoDB:
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from bson.objectid import ObjectId
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# To work with datatypes:
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from typing import List, Any
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@@ -51,6 +57,9 @@ from typing import List, Any
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# To make HTTP requests:
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import httpx
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# To work with Zerodha's Kite platform:
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from kiteconnect import KiteConnect
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# *****************************************************************************************************************
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# ***** ****
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@@ -89,7 +98,7 @@ import httpx
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# *****************************************************************************************************************
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class AllTradingController(TradingController):
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class ZerodhaKiteTradingController(TradingController):
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# ┏┓
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# ┃ ┏┓┏┓┏╋┏┓┓┏┏╋┏┓┏┓
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@@ -101,12 +110,12 @@ class AllTradingController(TradingController):
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http_client: httpx.AsyncClient = None,
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alert_url: str = None,
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debug: bool = True,
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debug_prefix: str = "All SMS (C) | ",
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debug_prefix: str = "Zerodha kite (C) | ",
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debug_only_errors: bool = True
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):
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"""
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This is the foundational controller for all trading services. Use this for any smaller common tasks where you
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may not know the exact client beforehand.
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This is the foundational controller for Zerodha's Kite platform.
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:param cache: The object to use for caching results from database calls.
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:param http_client: The HTTP client
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:param debug: Whether, or not, you would like to print debugging messages:
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@@ -115,22 +124,110 @@ class AllTradingController(TradingController):
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:return: None.
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"""
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# Declare the client:
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this_client = "zerodhaKite"
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# Prepare base filter:
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this_filter = {"client": this_client}
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# Invoke the parent's constructor:
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super().__init__(
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cache = cache,
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alert_url = alert_url,
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http_client = http_client,
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base_filter = None,
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base_filter = this_filter,
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debug = debug,
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debug_prefix = debug_prefix,
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debug_only_errors = debug_only_errors
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)
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# Init a variable in a parent:
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self._client = this_client
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# ┏┓ ┓
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# ┣┫┓┏╋┣┓
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# ┛┗┗┻┗┛┗
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pass
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@staticmethod
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async def get_authorization_url(
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**kwargs
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) -> str:
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"""
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To generate an authorization URL for this broker.
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:param kwargs: Any no. of things needed by your broker to generate the URL.
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:return: The authorization URL.
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"""
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return f"https://kite.zerodha.com/connect/login?api_key={kwargs['api_key']}"
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async def handle_authorization_callback(
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self,
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sql_conn: AsyncMySQL,
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mongo_data_conn: AsyncMongo,
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inbound_data: dict
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) -> bool:
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"""
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When the end user interacts with Zerodha's APIs, Zerodha's servers issue a callback like this:
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http://127.0.0.1:5999/auth/callback?action=login&type=login&status=success&request_token=the-request-token
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We must use the request token to get the access token. The access token is the thing that we must hold onto for
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executing actual actions like subscribing to live market feed, placing trades, etc.
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NOTE: Please ensure that you set the 'Redirect URL' such that is passes back Kite's 'api_key' back through the
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callback URL. This can be one by setting the value manually as a query param on the app's configuration
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page. E.g.: http://127.0.0.1:5999/auth/callback?api_key=user_api_key
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:param sql_conn: The database connection to use to perform this activity.
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:param mongo_data_conn: The database connection to use to perform this activity.
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:param inbound_data: The data that came in from the broker. This could be in the JSON body, query params, etc.
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:return: The model that hold the access tokens, or None if something failed.
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"""
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# Start by assuming failure:
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success = False
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zerodha_auth_token = None
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# Get the token from the database:
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auth_token = await self.get_token_from_filter(
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mongo_data_conn = mongo_data_conn,
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filter_json = mongo_data_conn.dict_to_dot_notation({
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"auth": {
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"apiKey": inbound_data.get(
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"api_key",
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"Hint: Put the user's app's key in the query params of the 'Redirect URL'"
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)
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}
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})
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)
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# If not such auth token exists:
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if not auth_token: return success
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# Get the final access tokens set from Zerodha Kite:
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kite = KiteConnect(api_key = auth_token.auth["apiKey"])
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session_data = kite.generate_session(
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request_token = inbound_data["request_token"],
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api_secret = auth_token.auth["apiSecret"]
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)
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zerodha_auth_token = ZerodhaKiteAuthTokens(**session_data)
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# Prepare the inputs to save to the database:
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auth_url = await self.get_authorization_url(api_key = auth_token.auth["apiKey"])
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auth_token.token = zerodha_auth_token.model_dump()
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# Save the additional auth info to the database:
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success = await self.set_token(
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sql_conn = sql_conn,
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mongo_data_conn = mongo_data_conn,
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token_key = auth_token.key,
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auth_token = auth_token,
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token_notes = {
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"apiKey": auth_token.auth["apiKey"],
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"authUrl": auth_url
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}
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)
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# Done here:
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return success
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# *****************************************************************************************************************
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